Home / 12,672.02-19,006.45-5,275.51

Finding the Fourth Proportional to 12,672.02, 19,006.45 and 5,275.51

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Solution

The fourth proportional to 12,672.02, 19,006.45 and 5,275.51 is: 7,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.02 : 19,006.45 = 5,275.51 : x
  2. Step 2: Convert to fraction form
    12,672.02/19,006.45 = 5,275.51/x
  3. Step 3: Cross multiply
    12,672.02x = 19,006.45 × 5,275.51
  4. Step 4: Simplify right side
    12,672.02x = 100,268,717.04
  5. Step 5: Solve for x
    x = 100,268,717.04/12,672.02
  6. Step 6: Final answer
    x = 7,912.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.